#define _CRT_SECURE_NO_WARNINGS

#include<stdio.h>
#include<assert.h>
#include<string.h>

my_strcpy(char* arr1, const char* arr)
{
	assert(arr1, arr);
	while (*arr1++ = *arr++)
	{
		;
	}


}


int main()
{
	char arr1[20] = { 0 };
	char arr[20] = "NIKO";
	my_strcpy(arr1, arr);
	printf("%s", arr1);

	return 0;
}
